felix



(ModeL) N. J. FELIX.

WATCH CASE SPRING.

Patented Apr. 26; 1887.

' IVI/E/VTO-R ATTORNEYS.

WITNESSES Nv PETERS. Photo-Ml UNITED STATEs- PATENT QEEio NUMA J. FELIX, OFNEWV YORK, N. Y.

WATCH-CASE SPRING.

SPECIFICATION forming part of Letters Patent No. 361,752, dated April 26, 1887.

Application filed March 9,1886. Serial No. 194,575. (Model) To all whom it may concern:

Be it known that I, NUMA J. FELIX, of the city, county,'and State of New York, have invented'certain new and useful Improvements in Watch-Case Springs, of which the following is a specification.

This invention has reference to an improved watch-case spring, which can be set quickly to its proper position in the center of the watch-case without requiring any special adjustment, and which forms, when secured in 'position, a dust-band for the end lips or catches of the springs; and the invention consists of awatch-case spring having a curved lip or catch at its end and an arc-shaped supportingpiece that corresponds to the curvature of the watch-case center, the spring being of even height with the supporting piece and attached to the supporting-piece by screws'or other fastening devices and extended at that end opposite to the lip or catch beyond, so as to form a dust-band.

In the accompanying drawings, Figure 1 represents a top view of my improved watchcase spring shown as applied to a watch-case, the center of which is drawn in section. Fig. 2is aperspective view of the watch-case spring, and Fig. 3 a vertical transverse section on line 00 m, Fig. 1, drawn on a larger scale.

Similar letters of reference indicate corre' sponding parts.

My improved watch-case spring is made of two separate sectionsa spring, A, of springsteel, which is provided with a curved lip or catch, a, at its outer end, and an arc-shaped supporting-piece, B, of brass or other metal, which corresponds to the curvature of the watch-case center and is made of the same height as the spring A. The spring A is attached to the supporting piece B by screws b b, one near each end, or by other equivalent fastening devices. The spring A is extended at the end opposite to that end provided with the lip or catch'beyond the supporting-piece B, the projecting ends d of the springs forming a dust-band for the case at the points where the lips or catches a a of the springs extend from the center toward the cap of the case, as shown in Fig. 1.

My improved watch-case spring is made in difierent sizes, according to the sizes of the cured to the cases, while furnishing at the same time a dust-guard for the case.

I am aware that 'a watch-case spring in which a curved and supporting bar or body with a V-shaped shoulder and a spring having a V-shaped notch, which spring is attached to the body by a screw, has been used heretofore, and I do not claim this construction. In my watch-case spring the steel spring extends over the entire length of the supporting-piece and covers the same entirely, so that it is outof sight. The shank of the spring is also attached in a more reliable manner, as it is positively fastened at two points to the supportingpiece.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. A watch-case spring consisting of an are shaped supporting-piece, a steel spring having a lip or catch at one end, and a shank equal in height with the supporting-piece and extended along the entire length of the same, and screws by which the shank of the spring is attached to said supportingpiece. substantially as set forth.

2. A watch-case spring consisting of a main piece of spring-steel having a lip or catch at one end, and an areshaped supporting-piece to which the spring is attached, said spring being of even height with the supportingpiece extended at the end opposite the lip or catch beyond the supporting-piece, so as to form a dust-band, substantially as set forth.

In testimony that I claim the foregoing as my invention I have signed my name in presence of two subscribing witnesses.

NUMA J. FELIX.

Witnesses:

PAUL GoEPEL, llIAR'lIN PETEY. 

